CYLINDER HEAD
5-30
E
POWR
CHECKING OIL PUMP
Measure:
•
Clearance
•
Clearance
•
Clearance
Out of specification
→
Replace.
CHECKING THE CYLINDER HEAD
1. Measure:
•
Cylinder head warpage
Out of specification
→
Reface.
Resurfacing steps
(1) Place a 400 - 600 grit wet sandpaper on
the surface plate.
(2) Resurface the cylinder head using a fig-
ure-eight sanding pattern.
NOTE:
To ensure an even surface, rotate the cylin-
der head several times.
2. Measure:
•
Valve guide bore
Out of specification
→
Replace the
guide.
b
c
a
Clearance
0.03 - 0.15 mm
(0.001 - 0.006 in)
0 - 0.12 mm (0 - 0.005 in)
0.03 - 0.08 mm
(0.001 - 0.003 in)
a
b
c
a
b
c
Warpage limit
0.1 mm (0.004 in)
a
Valve guide bore limit
5.500 - 5.512 mm
(0.2165 - 0.2170 in)
a
Содержание F40BMHD
Страница 60: ...SPEC 2 12 MAINTENANCE SPECIFICATIONS E DIMENSIONS H9 L3 L7 L6 L2 L1 H2 H1 H7 H4 H3 H8 H6 W5 W6 W1 L4 A1 A3 A2 ...
Страница 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Страница 128: ...CHK ADJ 3 26 GENERAL E ...
Страница 129: ...3 26 CHK ADJ F D ES ...
Страница 272: ...E LOWR BACKLASH 6 34 MEASURING THE FORWARD GEAR BACKLASH 6 34 MEASURING THE REVERSE GEAR BACKLASH 6 36 ...
Страница 528: ......
Страница 529: ......
Страница 536: ......
Страница 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...